Home / 10,229.87-15,338.25-4,890.85

Finding the Fourth Proportional to 10,229.87, 15,338.25 and 4,890.85

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Solution

The fourth proportional to 10,229.87, 15,338.25 and 4,890.85 is: 7,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.87 : 15,338.25 = 4,890.85 : x
  2. Step 2: Convert to fraction form
    10,229.87/15,338.25 = 4,890.85/x
  3. Step 3: Cross multiply
    10,229.87x = 15,338.25 × 4,890.85
  4. Step 4: Simplify right side
    10,229.87x = 75,017,003.32
  5. Step 5: Solve for x
    x = 75,017,003.32/10,229.87
  6. Step 6: Final answer
    x = 7,333.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.